20731776

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4153}}^1$

素因数の和:4183

約数の個数: 64

約数和(自身を含む): 59319120

約数和(自身を除く): 38587344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4153, 4992, 8306, 12459, 16612, 24918, 33224, 49836, 53989, 66448, 99672, 107978, 132896, 161967, 199344, 215956, 265792, 323934, 398688, 431912, 531584, 647868, 797376, 863824, 1295736, 1594752, 1727648, 2591472, 3455296, 5182944, 6910592, 10365888, 20731776]

約数ペア:

[(1, 20731776), (2, 10365888), (3, 6910592), (4, 5182944), (6, 3455296), (8, 2591472), (12, 1727648), (13, 1594752), (16, 1295736), (24, 863824), (26, 797376), (32, 647868), (39, 531584), (48, 431912), (52, 398688), (64, 323934), (78, 265792), (96, 215956), (104, 199344), (128, 161967), (156, 132896), (192, 107978), (208, 99672), (312, 66448), (384, 53989), (416, 49836), (624, 33224), (832, 24918), (1248, 16612), (1664, 12459), (2496, 8306), (4153, 4992)]